I have next code:

我有下一个代码：

var int i = 1
if specificCandle
    while (na(f) and bar_index - i >= 0)
        if close[i] < linePriceLow
           f := high[i]
        i := i + 1 

In this part of code I got next error:

在这部分代码中，我得到了下一个错误：

Error at 48:0 Mismatched input 'if' expecting 'end of line without line continuation'.

I would like to understand cause of problem and solve it

我想了解问题的原因并解决它